A basic definition of the word blether is tricky - in colloquial terms, people usually know it to mean a lengthy chat between friends.
But when applied to a person, blether is also a term for a gossip, a chatterbox, or someone who talks a lot of nonsense.
A bletherer can also be someone who is prone to boasting and exaggeration.
With roots as far back as the 15th century, blether has featured regularly in Scottish literature. In a poem entitled December, Thomas Given wrote:
“That frae Fashoda tae Khartoum,
though crownheeds brag and blether,
the Frenchman sees wae a’ his boom,
that England’s John’s a terror
whun rouse’t this day”
Blether is also a derivative of a longer term, bletherskite, a derogatory word for someone who rambles on in a foolish manner.